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Finding the Fourth Proportional to 92,761.34, 128,010.69 and 52,474.24

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Solution

The fourth proportional to 92,761.34, 128,010.69 and 52,474.24 is: 72,414.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,761.34 : 128,010.69 = 52,474.24 : x
  2. Step 2: Convert to fraction form
    92,761.34/128,010.69 = 52,474.24/x
  3. Step 3: Cross multiply
    92,761.34x = 128,010.69 × 52,474.24
  4. Step 4: Simplify right side
    92,761.34x = 6,717,263,669.63
  5. Step 5: Solve for x
    x = 6,717,263,669.63/92,761.34
  6. Step 6: Final answer
    x = 72,414.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.